@import (reference) "less-nameset";
.wi-resizelistener { visibility: hidden; }
.wi-resizelistener, .wi-resizelistener > div, .wi-resizelistener-in2:before {
    content: " ";
    display: block;
    position: absolute;
    top: 0; left: 0;
    height: 100%; width: 100%;
    overflow: hidden;
}
.wi-resizelistener > div { background: #eee; overflow: auto; }
.wi-resizelistener-in2:before { width: 200%; height: 200%; }